Q.1
Which one is absent in erythrocytes? [ CBSE 1997]
  • a) Krebs cycle
  • b) Enzymes
  • c) Biomembrane
  • d) Hyaloplasm
Q.2
.Q. is maximum when respiratory substrate is … .. [ AIIMS 1992]
  • a) Glucose
  • b) Fat
  • c) Protein
  • d) Malic acid
Q.3
R.Q. is more than one when the substrate is … .. [ MPPMT 2000]
  • a) Fat
  • b) Glucose
  • c) Organic acid
  • d) Protein
Q.4
During glycolysis the number of ATP molecules utilized to change glucose into fructose 1,6 diphosphate are … ..[ HPPMT 2005]
  • a) 4
  • b) 3
  • c) 2
  • d) 1
Q.5
Which is end-product of oxidative phosphorylation? … ..[ CBSE 1996]
  • a) ATP
  • b) ATP + H2O
  • c) NADH
  • d) Oxygen
Q.6
Oxidative phosphorylation is found in … .. [ MPPMT 2002]
  • a) Chloroplasts
  • b) Leucoplasts
  • c) Peroxisomes
  • d) Mitochondria
Q.7
Mitochondrial marker enzyme is … .. [ JIPMER 2000]
  • a) Pyruvate dehydrogenase
  • b) Aldolase
  • c) Amylase
  • d) Succinic dehydrogenase
Q.8
Which is correct for ADP .. ..[ BHU 2007]
  • a) Two high energy bonds
  • b) One high energy bond
  • c) Three high energy bonds
  • d) None of the above
Q.9
Minerals that activate respiratory enzymes are … .. [ kerala 2011]
  • a) N and P
  • b) Mg and Mn
  • c) K and Ca
  • d) S and Fe
Q.10
Pyruvic acid is a product of … .. [ CPMT 1995]
  • a) Acetic acid
  • b) Acetyl CoA
  • c) Starch
  • d) Glucose
Q.11
Number of oxygen molecules required during glycolysis of one glucose molecule is … .. [ Odisha 2003]
  • a) 38
  • b) 36
  • c) 2
  • d) zero
Q.12
Glycolysis is conversion of … ..[ MPPMT 2002]
  • a) Glucose to glycogen
  • b) Glycogen to glucose
  • c) Glucose to pyruvic acid
  • d) Glucose to citric acid
Q.13
Succinate + FAD forms … ..
  • a) Fumarate + FADH2
  • b) Malate + NADH2
  • c) Isocitrate + NADH2
  • d) Citrate + Water
Q.14
Fumarase changes fumaric acid into … ..[ CPMT 1992]
  • a) Malic acid
  • b) Maleic acid
  • c) Citric acid
  • d) Succinic acid
Q.15
R.Q. would depend upon … ..[ KCET 2009]
  • a) Nature of enzyme
  • b) Nature of substrate
  • c) Amount of CO2 released
  • d) Amount of O2 utilised
Q.16
In mitochondria, enzyme cytochrome oxidase is present in .. .. [ MPPMT 2009]
  • a) Perimitochondrial space
  • b) Outer membrane
  • c) Inner membrane
  • d) Matrix
Q.17
Match column .. ..[ KCET 2002]
a) Krebs cycle p) Stroma
b) Glycolysis q) Grana
c) Calvin cycle r) mitochondrial matrix
- -   - - s) Cytoplasm
  • a) a – s, b – r, c – q
  • b) a- r, b – s, c – p
  • c) a – s, b – r, c – p
  • d) a – r, b-s, c- q
Q.18
Choose the correct labeling
unit-4_ch-5_que_no-348_img_no1.png
  • a) a – ethanol, b – CO2, c – acetaldehyde
  • b) a – CO2, b – acetaldehyde, c – ethanol
  • c) a – CO2, b - -ethanol, c – acetaldehyde
  • d) a – ethanol, b – acetaldehyde, c – CO2
Q.19
For two molecules of glucose, glycolysis uses and produces ATP molecules … [ W.B 2009]
  • a) 4 and 8
  • b) 2 and 4
  • c) 2 and 8
  • d) 2 and 2
Q.20
What is true of Krebs cycle … ..[ Manipal 2002]
  • a) ATP/GTP is formed
  • b) Two decarboxylation
  • c) Acetyl CoA combines with OAA
  • d) All the above
Q.21
Apparatus to measure rate of respiration and R.Q. is … …. [ CBSE 1992]
  • a) Auxanometer
  • b) Potometer
  • c) Respirometer
  • d) Manometer
Q.22
Krebs cycle is … … [ AMU 1993]
  • a) Oxidation of glucose to alcohol and water
  • b) Oxidation of acetyl CoA to carbon dioxide and water involving electron transport
  • c) Complete oxidation of acetyl CoA without electron transport
  • d) Complete reduction of acetyl CoA to carbon dioxide and water
Q.23
Anaerobic respiration takes place in … ..[ MPPMT 2002]
  • a) Ribosome
  • b) Nucleus
  • c) Vacuole
  • d) Cytoplasm
Q.24
Number of carbon atoms available in acetyl CoA is … ..[ KCET 1999]
  • a) 6
  • b) 4
  • c) 3
  • d) 2
Q.25
In glycolysis, enzyme enlaced produces .. ..[ AMU 1999]
  • a) Phosphoglyceric acid
  • b) Phosphoenol pyruvate
  • c) Phosphoglyceraldehyde
  • d) Pyruvate
Q.26
Turn of Krebs cycle required for completes oxidation of one molecules of glucose are … .. [ MHTCET 2011]
  • a) 2
  • b) 3
  • c) 4
  • d) 6
Q.27
R.Q. of 4 is obtained when respiratory substrate is … .. [ JIPMER 1996]
  • a) Oxalic acid
  • b) Malic acid
  • c) Tartaric acid
  • d) Glucose
Q.28
R.Q. of anaerobic respiration is … .[ Wardha ..2005]
  • a) Zero
  • b) ∞
  • c) 1
  • d) > 1
Q.29
Two pairs of electrons passing from NADH molecules to oxygen generate … ..[ AMU 2011]
  • a) 2 ATP
  • b) 3 ATP
  • c) 4 ATP
  • d) 6 ATP
Q.30
Select suitable name for the process C6H12O6 + 2ADP + Pi → 2C2H5OH + CO2 + 2ATP [ KCET 2012]
  • a) Photorespiration
  • b) Lactate fermentation
  • c) Aerobic respiration
  • d) Alcoholic fermentation
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